[8u] RFR: 8227397: Add --with-extra-asflags configure option

[Severin Gehwolf]

On Mon, 2019-09-30 at 11:36 +0200, Magnus Ihse Bursie wrote:
> On 2019-09-27 17:48, Severin Gehwolf wrote:
> > Hi,
> > 
> > Could I please get a review of this 8u build change backport which adds
> > --with-extra-asflags to OpenJDK 8u. At Red Hat, we need to pass certain
> > assembler only flags for some builds. For example "-Wa,--generate-
> > missing-build-notes=yes", to assembly files only. As the build system
> > is different in 8u over 11u I've re-done the patch.
> > 
> > Bug: https://bugs.openjdk.java.net/browse/JDK-8227397
> > webrev: http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8227397/jdk8/01/
>  Looks good to me.
> 
> /Magnus

Thanks for the review, Magnus!

Cheers,
Severin

> > Testing: Built with --with-extra-asflags=-Wa,--generate-missing-build-
> > notes=yes on Linux x86_64, confirmed linux_x86_64.s gets assembled with
> > the flag and only that file.
> > 
> > I've omitted the windows portion of passing as flags to the hotspot
> > build as I've no idea how. Contributions welcome if that should get
> > included.
> > 
> > Thoughts?
> > 
> > Thanks,
> > Severin
> > 
>